Erectile Dysfunction and Vitamins: What's the Connection? - Healthline

A 2019 study suggested that people who do not respond to sildenafil (Viagra) might have low L-carnitine and vitamin D levels, meaning supplementation may improve the medication's effectiveness.

Erectile Dysfunction is helped by L-Carnitine | Pacific Center for ...

For ERECTILE DYSFUNCTION, the amino acid L-carnitine improves the strength and duration of erections and sexual performance by boosting blood flow to pelvic organs and helping tissue energy generation, bringing major benefits for men's health.Research suggests that the variant form acetyl-L-carnitine may encourage testosterone production, or make existing testosterone more active, and ...

Carnitine (L-carnitine) Information | Mount Sinai - New York

One study found that carnitine improved the effectiveness of sidenafil (Viagra) in men with diabetes who had not previously responded to Viagra. In another study, a combination of propionyl-L-carnitine and acetyl-L-carnitine improved the effectiveness of Viagra in men who had erectile dysfunction after prostate surgery.

Which supplements help with erectile dysfunction? - ConsumerLab.com

Certain forms of carnitine (propionyl-l-carnitine combined with acetyl-l-carnitine) have been shown in a clinical study to improve erectile function, and, in another study, propionyl-l-carnitine was shown to increase the effectiveness of sildenafil (Viagra) in men with diabetes who had previously failed to respond to the drug.